%0 Journal Article %A R. Djukanović %A P.J. Sterk %A J.V. Fahy %A F.E. Hargreave§ %T Standardised methodology of sputum induction and processing %D 2002 %R 10.1183/09031936.02.00000102 %J European Respiratory Journal %P 1s-2s %V 20 %N 37 suppl %U https://erj.ersjournals.com/content/erj/20/37_suppl/1s.full.pdf